Lists of wars involving the United States

Lists of wars involving the United States

Situation Room, the operations center at the White House with advanced communications equipment for the president to maintain command and control of U.S. forces around the world.

This is an index of lists detailing military conflicts involving the United States, organized by time period.

Although the United States has formally declared war only five times and these declarations cover a total of 11 separate instances against specific nations, there are currently 199 non-colonial military conflicts included in these lists, eight of which are ongoing. Between all six lists, there are currently 237 military conflicts.

Formal declarations of war include the War of 1812 (United Kingdom), the Mexican–American War (Mexico), the Spanish–American War (Spain), World War I (Germany and Austria-Hungary) and World War II (Japan, Germany, Italy, Bulgaria, Hungary and Romania).

Since World War II, the U.S. has engaged in numerous military operations authorized by Congress or initiated by the executive branch without formal declarations of war; notable examples include the Cold War (the Korean War, the Vietnam War, and the Gulf War) and the War on terror (the War in Afghanistan, and the Iraq War).

As of the current date, the United States is involved in 8 publicly known military engagements across 6 different wars. Wars with direct U.S. involvement include War on terror (Somalia, Syria and Yemen), the war on cartels (Operation Southern Spear) and the Iran war. Wars with indirect U.S. involvement include the Russo-Ukrainian war (U.S. involvement), the Gaza war (U.S. involvement), and the Israel–Hezbollah conflict.

Lists

Lists of wars involving the United States

1609–1700		List of 17th-century wars involving the Thirteen Colonies
Thirteen Colonies of British America before U.S. Independence
1701–1774		List of 18th-century wars involving the Thirteen Colonies
1775–1800		List of wars involving the United States in the 18th century
United States   Countries the United States have fought in, attacked or declared war based on locations on the lists   Ongoing wars directly involving the United States
1801–1900		List of wars involving the United States in the 19th century
1901–2000		List of wars involving the United States in the 20th century
2001–present		List of wars involving the United States in the 21st century